(19)

(11)

EP 0 506 948 A1

(12)

(43) Date of publication: 07.10.1992 Bulletin 1992/41 (21) Application number: 92900467.0 (22) Date of filing: 24.10.1991

(51) International Patent Classification (IPC):  A61B 3/ 12( . ) (86) International application number: PCT/US1991/007621 (87) International publication number: WO 1992/007502 (14.05.1992 Gazette 1992/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 24.10.1990 US 19900602628 (71) Applicant: OPHTHALMIC IMAGING SYSTEMS, INC. Sacramento, CA 95815 (US)	(72) Inventors: VERDOONER, Steven, R. Sacramento, CA 98534 (US) MEADE, Patricia C. Espaarto, CA 95627 (US) MAKES, Dennis, J. Sacramento, CA 95831 (US) (74) Representative: von Rohr, Hans Wilhelm, Dipl.-Phys.  Patentanwälte Gesthuysen, von Rohr & Weidener, Postfach 10 13 54 D-45013 Essen D-45013 Essen (DE)